Crim 35 Narcotics Ch 2,3,4

Which of the following is true about the purity of heroin at the retail level?

It is neutralized when mixed with cocaine.

Which of the following are signs of addiction?

There is continued use despite experiencing physical or psychological problems and consequences.

According to researchers, a person who smokes cigarettes is 22 times more likely to use cocaine than a nonsmoker.

True

When a person who has developed tolerance to caffeine subsequently withdraws from the caffeine, it results in physical pain, extreme fatigue, and depression.

True

Why is it dangerous to combine an opioid with a downer like alcohol, barbiturates, or benzodiazepines?

because the combination of depressants increases the potential for respiratory depression, overdose, and death

The most crucial neurotransmitter involved in behavioral addictions, drug use, and drug abuse is:

dopamine

Medical use of cocaine relies on its effects as a(n)

emetic, muscle relaxant, topical anesthetic

Psychoactive drugs promote homeostatic conditions in the central nervous system.

false

The most rapid route of administering a drug to reach the brain is intravenously.

false

How long can withdrawal symptoms following detoxification and abstinence from long-acting opioids such as methadone persist?

for 14 days or more after detoxification

There are several routes of administering drugs, and some reach the brain faster than others. Which of the following sequences correctly lists the routes of administration from fastest to slowest for getting drugs to the brain?

inhaling (smoke), injecting (intravenous), mucous membrane absorption (nasal passage), oral ingestion

Which form and method of using cocaine produces the most intense immediate high?

smoking crack cocaine

A person's level of emotional and physical stress can increase the ability of psychoactive drugs to cross the blood-brain barrier.

true

Death from depressants (e.g. opioids) overdose usually involves severe respiratory depression.

true

Drugs work by influencing existing neurotransmitters, existing neurological pathways, and receptor sites in the central nervous system, including the addiction pathway.

true

The physical, mental, and emotional effects a person experiences from taking psychoactive drugs are caused by the modification or mimicking of the neurotransmitter's function.

true

To titrate a drug means to continuously regulate the amount of drug you are receiving.

true

The illicit manufacture and distribution of methamphetamine in the United States today is due to the involvement of

Mexican gangs and drug cartels

Which of the following statements about opioids is true?

There is almost no limit to the level of opioid tolerance a human can develop.